Sound-box for talking-machines.



L; P. VALIQUBT. SOUND BOX FOR TALKING MACHINES. APPLICATION FILED OCT. 28/1903. IBENEWBD 1TOV.5, 1909.

Patented Jan. 25,1910.

Z mmfi/ My 0 a B3 WITNESSES:

ATTORNEY UNITED sTATEs PATENT oFFIcE.

LOUIS P. VALIQUE'I, OF NEW YORK, 1\T.'Y., ASSIGNOR, BY MESNE ASSIGNMENTS, TO VICTOR TALKING MACHINE COMPANY, A CORPORATION OF NEW JERSEY.

SOUND-BOX FOR TALKING-MACHINES.

Specification of Letters Patent.

Patented Jan. 25, 1910.

Application filed October 28, 1903, Serial No. 178,933. Renewed November 5, 1909. Serial No. 526,471.

To all whom it may concern:

Be it known that I, LOUIS P. VALIQUET, a resident of the city of New York, State of New York, have invented certain new and useful Improvements in Sound-Boxes for vention,Figure 1, is a central longitudinal section of a sound-box constructed in accordance with my invention. Fig. 2, is a cross-section of the diaphragm; Fig. 3, is a face view thereof;Fig. 4, is a front elevation of the sound-box with the cover and stylus-holding arm removed and with the diaphragm partially broken away; Fig. 5,

v is a front elevation of the sound-box with 25 the cover stylus-holding bar and diaphragm removed; Fig. 6, is a face View of a ring for supporting the diaphragm; Fig. 7 is a cross-section thereof; Fig. 8, is a crosssection of a portion of the diaphragm and a flexible. ring for supporting the same; Fig. 9, is a cross section of a portion of the sound box with the diaphragm support shown in Fig.8 applied thereto; Fig. 10,

is across sectionof a portion of the diaphragm and a flexible spring ring for supporting the same and showing another construction embodying my invention; and Fig. 11, is a View, partially in elevation and in section, illustrating an adjustable rocking support for the stylus-holder, being an enlarged view of certain parts shown in Fig. 1.

Referring to these drawings, the body 1 ofjthe sound-box is recessed, as shown at 2, to form a diaphragm chamber, and is provided with a tube 3, extending rearwardly fonconnection with the usual trumpet or horn.

Alcover 6 is removably secured to the front of the sound-box, conveniently by screws 7, and serves as a retainer for the diaphragm are held in the construction illustrated, this support comprises a ring 10 contacting with the edge portion of the rear face of the diaphragm and yieldingly supported by a plurality of springs 11, mounted in recesses 12 in the rear of the diaphragm chamber, as shown in Fig. 1. The said ring 10 is situated opposite the bead 9, and the side faces of the between this bead 9 and the ring 10. j I

As shown in Figs. 2 and 3, I prefer to employ an insulating annulus 13, which is interposed between the diaphragm and the head 9 and ring 10 between which the diaphragm is held, said annulus being of nonsonorous material, such, for example, as felt fiber, and is preferably applied to one or both of the opposing faces in the form of an adhering coating. I

As shown in Figs. 1 and 7, the ring 10 may be provided with an insulating coating or annulus 1 1 on the face thereof contacting with the diaphragm. In this way the diaphragm is flexibly supported so that it is extremely sensitive and reproduces with a high degree of efliciency the vibrations of the stylus which are conveyed thereto by the stylus holder 15.

The stylus holder 15 is approximately L- shaped, as shown in Fig. 1, the upright arm 16 thereof being provided with a socket for the stylus 17, and with the usual means for holding the same in place. The upper end of the arm 16 is curved and projects through a central opening in the cover 6 toward the diaphragm, to which it is attached in any well-known manner.

The stylus holder 15 is movably mounted upon the sound-box cover, being fulcrumed preferably by means of twin points or studs 18, projecting rearwardly from the arm 16,

and seated in depressions 19 in the cover 6,

located over a socket 21 in the lower portion of the body of the sound-box, and the horizontal arm 22 of the stylus holder'projects through said opening 21 into said socket.

For the purpose of holding the stylus holder in engagement with the diaphragm in a sensitive manner and under tension, and also for varying the tension or pressure upon the diaphragm, I employ a spring 23 that encircles the arm 22, and in Figs. 1 and 11,

is situated between a cam 24 resting against the rear face of the cover 6 at the front of the socket 21, and an adjustable nut 25 having screw threaded engagement with the rear end of the arm 22, said spring being coneshaped with its base resting against the cam 24. The nut 25 may be constructed to be turned by a suitable tool, or it may be milled, and obviously can be employed to adjust the tension of the spring 23 so as to vary the pressure, with which the stylus-holder arm 16 engages the diaphragm. The cam 24:, referred to, is provided with a handle 26 by which it may be turned and its inclined face, upon which the base of the spring 23 bears, serves also to adjust the tension of the spring independently of the adjustment attained by the nut 25.

The spring ring shown in Fig. 1 exerts a uniform pressure upon the diaphragm throughout its circumference, but upon one side only, and in Figs. 8, 9 and 10, I have shown a construction for exerting a uniform and yielding pressure upon both sides of the diaphragm around its peripheral portion within and adjacent to its circumferential edge or wall of a flexible spring ring with a recess throughout its inner circumference to provide a seat for the peripheral portion above referred to of the diaphragm. In Figs. 8 and 9, this flexible spring ring 27 is in the form of a tube slit throughout its inner circumference, as shown at 28, with the peripheral portion of the diaphragm 8 seated within the slit portion, while the slit portion of the ring 27 engages both faces of the diaphragm. In Fig. 9, a diaphragm so supported is shown in position within the soundbox, the ring 27 lying within the diaphragm chamber 2, and held in place by the cover 6, which engages the front side of the ring so that the latter is held between the cover 6 find the rear wall of the diaphragm cham- In Fig. 10, another form of spring ring 29 is shown, which consists of a double walled tube separated throughout its inner circum ference with the walls joined at the sepa rated portion, as shown at 30, and with the diaphragm 8 engaged on both faces by the portion of the tube joining the walls, as shown at 30.

It is obvious that various changes might be made in the details of the constructions shown, without departing from the spirit of this invention or the scope of the appended claims.

Having, therefore, described my invention, what I claim as new, and desire to protect by Letters Patent, is

1. In a sound recording and reproducing machine, an L-shaped stylus holder fulcrumed upon the sound-box in operative relation to the diaphragm and having a rocking movement under the direct action of the vibrating stylus carried thereby, a spring encircling the short arm of the holder and having a bearing against the sound-box, and adjusting means for varying the pressure exerted by the holder upon the diaphragm.

2. In a sound recording and reproducing machine, an L-shaped stylus holder fulcrumed upon the sound-box in operative relation to the diaphragm and having a rocking movement under the direct action of the vibrating stylus carried thereby, a spring encircling the short arm of the holder and having a bearing against the sound box, and means for adjusting the short arm to vary the pressure of the long arm upon the diaphragm.

3. In a sound recording and reproducing machine, an L-shaped stylus holder fulcrumed upon the sound-box in operative relation to the diaphragm and having a rocking movement under the direct action of the vibrating stylus carried thereby, a spring encircling the short arm of the holder and having a bearing against the sound-box, and an adjustable cam interposed as a bearing for the spring.

4. In a sound recording and reproducing machine, an Lshaped stylus holder fulcrumed upon the sound-box in operative relation to the diaphragm and having a rocking movement under the direct action of the vibrating stylus carried thereby, a conical spring encircling the short arm of the holder, and an adjustable cam interposed as a bear ing for the base of the cone spring.

5. I11 a sound recording and reproducing machine, an L-shaped stylus holder fulcrumed upon the sound-box in operative relation to the diaphragm and having a rocking movement under the direct action of the vibrating stylus carried thereby, a conical spring encircling the short arm of the holder, a nut upon the threaded extremity of the arm for varying the tension of the spring and an adjustable cam interposed as a bearing for the base of the cone spring.

6. In a sound recording and reproducing machine, a sound-box apertured at or near its circumference, an L-shaped stylus holder fulcrumed upon the sound-box with its short arm lying in the' aperture thereof, said holder having a rocking movement about its fulcrum under the action of the vibrating stylus carried thereby, a conical spring enand an adjustable cam interposed between the spring and the sound-box.

7. In a sound recording and reproducing machine, a sound-box open at its front end, a diaphragm adapted to said sound-box, and a flexible spring ring engaging both sides of the diaphragm upon its peripheral portion within and adjacent to its circumferential edgeor wall, to retain the same in. posit-ion, substantially as described.

8. In a sound recording and reproducing machine, a sou11d-box open at its front end, a diaphragm adapted to said sound-box, and a flexible spring tubular ring, engaging both sides of the diaphragm upon its peripheral portion within and adjacent to its circumferential edge or wall, to retain the same in position, substantially as described.

9. In a sound recording and reproducing machine, a sound-box open at its front end, a diaphragm adapted to said sound-box, and a flexible spring ring of C-shaped cross section, engaging both sides of the diaphragm to retain the same in position, substantially as described.

10. In a sound-recording and reproducing machine, a sound-box open at its front end,

a diaphragm adapted to said sound-box and a flexible spring ring recessed throughout its inner circumference to provide a seat for en gaging both sides of the diaphragm upon its peripheral portion within and adjacent to its circumferential edge or wall.

11. In a sound recording and reproducing machine, a sound-box open at its front end, a diaphragm adapted to said sound-box, and a flexible spring tubular ring recessed throughout its inner circumference to provide for engaging both sides of the diaphragm upon its peripheral portion within and adjacent to its circumferential edge or wall.

12. In a sound recording and reproducing machine, a sound-box open at its front end, a diaphragm adapted to said sound-box, and a flexible spring tubular ring slit throughout 1 its inner circumference to provide a seat for engaging both sides of the diaphragm upon its peripheral portion within and adjacent to its circumferential edge or wall.

13. In a sound box, a diaphragm and a tubular hollow ring recessed throughout its inner circumference, the edges of said recess being arranged to engage both faces of the diaphragm within and adjacent to their circumferential edges or wall.

14. In a sound box open at its front end, a

diaphragm and a tubular hollow ring recessed throughout its inner circumference,

the edges of said recess being arranged to engage both faces of the diaphragm within and adjacent to their circumferential edges or wall.

15. In a sound box, a diaphragm and a tubular resilient hollow ring recessed throughout its inner circumference, the edges of said recess being arranged to engage both faces of the diaphragm within and adjacent to their circumferential edges or Wall. 7

16. In a sound box, the combination with a casing, of a stylus bar, mounted to oscillate thereon, an arm rigid with said bar, and a spring encircling said arm and inclosed by said casing to hold said bar upon its mounting.

17. In a sound box, the combination with a casing, of a stylus bar mounted thereon, an arm rigid with said bar projecting into said casing, and a spring encircling said arm to hold said bar in position.

18. In a sound box, the combination with a stylus bar, of a mounting therefor, an arm connected to said bar, a conical spring surrounding said arm for holding said bar upon its mounting, and an adjustable cam interposed between the base of said spring and said mounting.

19. In a sound box, the combination with a stylus bar, of a mounting therefor, an arm connected to said bar, a conical spring surrounding said arm and tapering outwardly from said bar for holding said bar upon its mounting, and an adjustable cam forming a bearing for the base of said spring.

20. In a sound box, the combination with a stylus bar, of a mounting therefor, an arm rigid with said bar, a conical spring encircling said arm for holding said bar upon its mounting, and an adjustable cam upon said arm forming a bearing for the base of said sprin 21. In a sound box, the combination with a stylus bar, of a mounting therefor, an arm rigid with said bar, a conical spring encircling said arm and tapering outwardly from said bar forlholding said bar upon its mounting, and an adjustable cam upon said arm forming a bearing for the base of said spring.

22. In a sound box, the combination with a stylus bar, of a mounting therefor, an arm, and a cam, and a spring encircling said arm to hold said bar upon its mounting.

23. In a sound box, the combination with a stylus bar, of a mounting therefor, an arm connected to said bar, a spiral spring encircling said bar to hold said bar upon its mounting, and a cam contacting with said spring to adjust the tension thereof.

24:. In a sound box, the combination with a casing,fof a stylus bar mounted thereon, an arm connected to said bar, a spring surrounding said bar and located in said casing to hold said bar upon its mounting, and a cam contacting with said spring to adjust the tension thereof.

25. The combination with a stylus bar, of a mounting therefor, a spring to hold said bar upon its mounting, and a cam forming a bearing for said spring.

26. The combination with a stylus bar, of a mounting therefor, an arm connected to said bar, a spring carried by said arm, and means movable independently of said arm for adjusting said spring to hold said bar upon its mounting.

27. The combination with a diaphragm, of a mounting therefor comprising a ring recessed about its inner circumference engaging both sides of the diaphragm within and adjacent its periphery.

28. The combination with a diaphragm, of a mounting therefor comprising a resilient ring recessed about its inner circumference engaging both sides of the diaphragm Within and adjacent its periphery.

29. In a sound box, the combination With a diaphragm of a mounting therefor comprising a tubular ring split throughout its inner circumference engaging both sides of the diaphragm adjacent and Within its periphery.

30. In a sound box, the combination with a diaphragm of a mounting therefor comprising a tubular ring split throughout its inner circumference and substantially C-shaped in cross section engaging both sides of the diaphragm.

31. In a sound box, the combination with a diaphragm of a mounting therefor comprising a resilient tubular ring split throughout its inner circumference and substantially C- shaped in cross section engaging both sides of the diaphragm.

In witness whereof, I have hereunto set my hand this 20th day of October, 1903.

LOUIS P. VALIQUET.

Witnesses:

JOHN F. GRADY, HARRY COBB KENNEDY.

It is hereby certified that in Letters Patent N 0. 947,584, granted January 25, 1910, upon the application of Louis P. Valiquet, of New York, N. Y., for an improvement in Sound-Boxes for Talking-Machines, an error appears in the printed specification requiring correction as follows Page 2, line 38, after the Word wall the Words and which consists should be inserted; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Ofiice.

Signed and sealed this 24th day of May, A. D., l9l0.

[SEAL] C. C. BILLINGS,

Acting Commissioner of Patents. 

